The marchers were honoring a woman who was "harassed" by a homophobic neighbor and "executed" by the police, her sister-in-law says.

A driver struck and injured three people on Wednesday during a march in St. Louis, Missouri to honor a transgender woman killed by the police, the New York Daily News reports.

Two St. Louis police officers fatally shot Kiwi Herring on Tuesday after the trans woman wounded one of the officers with a knife, according to the police report. But Herring’s family disputes that account.

The newspaper said about 100 people participated in a candlelight vigil for Herring before the march. That’s when the driver of a black Mercedes hit several marchers. Two women and a man sustained minor injuries.

According to the St. Louis Post-Dispatch, the police and a witness had two different versions of the incident. The witness, Keith Rose, told The Post-Dispatch that the driver flipped a middle finger and then drove through the crowd.

But according to the police, the driver stopped and blew the horn before trying to drive around the demonstrators. That’s when several of them jumped on the car, kicked it and struck it with a flagpole.

The marchers were honoring a trans woman who was a victim of constant homophobic harassment from a neighbor, Herring’s sister-in-law Crevonda Nance stated, according to the Huffington Post.

Nance said the harassment reached a boiling point on Tuesday morning.

Acting St. Louis Police Chief Larry O’Toole said Herring, 30, “severely cut” the neighbor and “slashed” one of the responding officers on the arm with a kitchen knife. Both officers opened fire, killing Herring.

O’Toole added that it’s unclear if the officers, who are now on administrative leave, tried to use nonlethal tools before firing their weapons.

“Kiwi was harassed and executed, and it’s a horrible feeling,” Nance said, summing up the situation, according to The Post.